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| Manufacturer | Voigtlander | SLR Magic | Fujifilm |
|---|---|---|---|
| Model | Ultron 21 mm f/1.8 | HyperPrime 23 mm f/1.7 | Fujinon XF 23 mm f/1.4 R |
| Lenst style | Wide angle | Wide angle | Wide angle |
| Focal length | 21 mm | 23 mm | 23 mm |
| Maximum aperture | f/1.8 | f/1.7 | f/1.4 |
| Angle of view | 91.7 o | 63.3 o | 63.4 o |
| Closest focusing distance | 0.5 m | 0.15 m | 0.28 m |
| Maximum magnification | 1:7.7 | 1:10 | |
| Minimum aperture | 22 | 22 | 16 |
| Diaphragm blades | 10 | 12 | 7 |
| Auto focus type | MF | MF | AF |
| Lens Construction | 13 elements / 11 group | 8 elements / 7 group | 11 elements / 8 group |
| Filter diameter | 58 mm | 49 mm | 62 mm |
| Macro Yes/No | No | No | No |
| Stabilization | No | No | No |
| Available mounts | Leica M / VM-Mount | Sony E | Fujifilm X |
| Dimensions | 78.4 x 69 mm | 61 x 50 mm | 72 x 63 mm |
| Weight | 412 g | 240 g | 300 g |
| Additional information | Announced: September 2012 | 5 Tantalum glass elements | includes 1 aspherical element |
| Score [max 5.00] | No score | No score | |
| Our Review |
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